Video from Dover Motion
Time delay integration (TDI) scanning imaging is a method to increase instrument throughput when imaging a biological sample or flow cell for DNA sequencing. This video illustrates how TDI constant velocity imaging works. When TDI image sensors are used, images are taken on the fly, while the stage/sample moves in a straight line at constant velocity. TDI scanning imaging is time efficient, as the sensor is continuously imaging and reading out, with no wasted time spent moving and settling between separate fields of view.
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